Astacidea
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| iAstacidea | ||||||||||||||
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 A crayfish
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Astacidea is a group of decapod crustaceans including lobsters, crayfish and their close relatives. It comprises four superfamilies, two of crayfish (Astacoidea and Parastacoidea), one of true lobsters (Nephropoidea), and one of reef lobsters (the genus Enoplometopus).
[edit] Extant Superfamilies and Families
